知道高鐵要用多大功率的且能快速關斷的晶體閘流管嗎？這東西大概隻有日本和德國才能生產！

來源: 風蕭蕭兮易水寒於 2011-01-06 19:29:51 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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